keach: oliverio hernandez-resendiz is one of the few remaining potters in san sebastian. he makes large pots that are used primarily for cooking. resendiz works with molds, enabling him to work quickly, while keeping the size and shape of the pots consistent. the use of molds explains why the remains found in tlajinga were so uniform. widmer: it tells us that we're dealing with a specialized production of ceramics -- not simply a whole range of ceramics for use in the compound. but, instead, what we're finding is they're making one or two types and making lots and lots of them. the thing about this ceramic production is it's basically simple -- you take clay, you make the shape, and then you fire it, you sell it. but as simple as that process is, it requires people for all the steps. keach: young and old, male and female, every member of the household can be involved in pottery production. children can move pots from the drying area to the kilns. elderly people can sell the finished pots in the marketplace. widmer: what's interesting is when we think of this kind of speci